English verb conjugation MUST FLAP

Regular verb: flap - flapped - flapped

Affirmation

Simple form

I must flap
you must flap
she must flap
we must flap
you must flap
they must flap

V-ing form

I must be flapping
you must be flapping
she must be flapping
we must be flapping
you must be flapping
they must be flapping

Perfect

I must have flapped
you must have flapped
she must have flapped
we must have flapped
you must have flapped
they must have flapped

V-ing perfect

I must have been flapping
you must have been flapping
she must have been flapping
we must have been flapping
you must have been flapping
they must have been flapping

Negation

Simple form

I mustn't flap
you mustn't flap
she mustn't flap
we mustn't flap
you mustn't flap
they mustn't flap

V-ing form

I mustn't be flapping
you mustn't be flapping
she mustn't be flapping
we mustn't be flapping
you mustn't be flapping
they mustn't be flapping

Perfect

I mustn't have flapped
you mustn't have flapped
she mustn't have flapped
we mustn't have flapped
you mustn't have flapped
they mustn't have flapped

V-ing perfect

I mustn't have been flapping
you mustn't have been flapping
she mustn't have been flapping
we mustn't have been flapping
you mustn't have been flapping
they mustn't have been flapping

Interrogative form

Simple form

must I flap?
must you flap?
must she flap?
must we flap?
must you flap?
must they flap?

V-ing form

must I be flapping?
must you be flapping?
must she be flapping?
must we be flapping?
must you be flapping?
must they be flapping?

Perfect

must I have flapped?
must you have flapped?
must she have flapped?
must we have flapped?
must you have flapped?
must they have flapped?

V-ing perfect

must I have been flapping?
must you have been flapping?
must she have been flapping?
must we have been flapping?
must you have been flapping?
must they have been flapping?

Interro-negative form

Simple form

mustn't I flap?
mustn't you flap?
mustn't she flap?
mustn't we flap?
mustn't you flap?
mustn't they flap?

V-ing form

mustn't I be flapping?
mustn't you be flapping?
mustn't she be flapping?
mustn't we be flapping?
mustn't you be flapping?
mustn't they be flapping?

Perfect

mustn't I have flapped?
mustn't you have flapped?
mustn't she have flapped?
mustn't we have flapped?
mustn't you have flapped?
mustn't they have flapped?

V-ing perfect

mustn't I have been flapping?
mustn't you have been flapping?
mustn't she have been flapping?
mustn't we have been flapping?
mustn't you have been flapping?
mustn't they have been flapping?

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